Simplex Trading, LLC Top Holdings and 13F Report (2026) About Simplex Trading, LLCInvestment ActivitySimplex Trading, LLC has $170.57 billion in total holdings as of June 30, 2026.Simplex Trading, LLC owns shares of 9,154 different stocks, but just 84 companies or ETFs make up 80% of its holdings.Approximately 9.99% of the portfolio was purchased this quarter.About 14.23% of the portfolio was sold this quarter.This quarter, Simplex Trading, LLC has purchased 8,927 new stocks and bought additional shares in 3,680 stocks.Simplex Trading, LLC sold shares of 3,456 stocks and completely divested from 1,551 stocks this quarter.Largest Holdings STATE STR SPDR S&P 500 ETF T $24,947,569,421STATE STR SPDR S&P 500 ETF T $16,970,348,250INVESCO QQQ TR $10,136,914,200INVESCO QQQ TR $8,030,294,720ISHARES TR $7,755,114,507 Largest New Holdings this Quarter 84615Q903 - SPACE EXPLORATION TECHN CORP $401,281,796 Holding84615Q953 - SPACE EXPLORATION TECHN CORP $322,942,486 Holding595112103 - Micron Technology $60,810,305 HoldingG2004J953 - CARNIVAL CORP LTD $59,862,721 Holding77926X320 - ROUNDHILL ETF TRUST $46,197,310 Holding Largest Purchases this Quarter INVESCO QQQ TR 2,513,100 shares (about $1.85B)SANDISK CORP 578,300 shares (about $1.31B)MICRON TECHNOLOGY INC 1,023,900 shares (about $1.18B)ISHARES TR 5,148,700 shares (about $1.01B)STATE STR SPDR S&P 500 ETF T 1,074,900 shares (about $802.70M) Largest Sales this Quarter STATE STR SPDR S&P 500 ETF T 8,740,600 shares (about $6.53B)TESLA INC 2,512,600 shares (about $1.06B)TESLA INC 2,194,900 shares (about $923.17M)ISHARES TR 6,536,500 shares (about $811.73M)SPDR GOLD TR 1,822,300 shares (about $671.30M) Sector Allocation Over TimeMap of 500 Largest Holdings ofSimplex Trading, LLC Selling Neutral Buying Latest 13F Holdings and Changes Since Previous Quarterly FilingIssuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSectorSTATE STR SPDR S&P 500 ETF T$24,947,569,421$6,527,217,862 â–¼-20.7%33,407,30014.6%PUTSTATE STR SPDR S&P 500 ETF T$16,970,348,250$802,703,073 â–²5.0%22,725,0009.9%CALLINVESCO QQQ TR$10,136,914,200$1,850,646,840 â–²22.3%13,765,5005.9%PUTINVESCO QQQ TR$8,030,294,720$387,788,240 â–²5.1%10,904,8004.7%CALLISHARES TR$7,755,114,507$1,014,264,618 â–²15.0%39,367,2004.5%PUTMICRON TECHNOLOGY INC$3,625,509,461$1,181,877,531 â–²48.4%3,140,9002.1%PUTNVIDIA CORPORATION$3,505,496,764$312,360,499 â–¼-8.2%17,519,6002.1%CALLISHARES TR$3,342,105,422$811,729,571 â–¼-19.5%26,912,5002.0%CALLNVIDIA CORPORATION$3,278,534,677$565,094,178 â–¼-14.7%16,385,3001.9%PUTTESLA INC$2,944,830,900$923,174,940 â–¼-23.9%7,001,5001.7%CALLTESLA INC$2,439,395,880$1,056,799,560 â–¼-30.2%5,799,8001.4%PUTALPHABET INC$2,369,134,241$192,596,045 â–¼-7.5%6,656,1001.4%CALLAPPLE INC$2,363,723,968$171,098,568 â–¼-6.7%8,168,8001.4%CALLMICRON TECHNOLOGY INC$2,201,000,172$139,669,090 â–¼-6.0%1,906,8001.3%CALLMETA PLATFORMS INC$2,039,222,458$275,730,455 â–¼-11.9%3,620,2001.2%CALLSANDISK CORP$1,965,639,585$1,314,898,059 â–²202.1%864,5001.2%PUTADVANCED MICRO DEVICES INC$1,960,513,159$61,576,460 â–¼-3.0%3,374,9001.1%PUTALPHABET INC$1,930,607,889$133,375,943 â–²7.4%5,428,1001.1%PUTMICROSOFT CORP$1,736,706,516$178,079,748 â–²11.4%4,655,8001.0%CALLAPPLE INC$1,723,051,992$19,734,352 â–¼-1.1%5,954,7001.0%PUTADVANCED MICRO DEVICES INC$1,714,265,410$1,975,094 â–²0.1%2,951,0001.0%CALLVANECK ETF TRUST$1,619,415,651$281,939,256 â–²21.1%3,966,7000.9%PUTSPDR GOLD TR$1,450,533,088$572,057,302 â–¼-28.3%3,937,6000.9%CALLAMAZON COM INC$1,243,991,796$424,507,374 â–¼-25.4%5,219,4000.7%CALLMETA PLATFORMS INC$1,174,178,005$234,891,930 â–¼-16.7%2,084,5000.7%PUTSELECT SECTOR SPDR TR$963,201,754$176,740,456 â–¼-15.5%12,991,8000.6%PUTMICROSOFT CORP$904,909,218$22,269,294 â–²2.5%2,425,9000.5%PUTSELECT SECTOR SPDR TR$883,035,766$37,753,184 â–¼-4.1%12,448,0000.5%CALLAMAZON COM INC$830,900,908$215,101,850 â–¼-20.6%3,486,2000.5%PUTVANECK ETF TRUST$804,723,512$137,251,885 â–²20.6%3,268,1000.5%CALLSTATE STR SPDR DOW JONES IND$785,152,170$18,283,650 â–²2.4%1,503,0000.5%CALLBROADCOM INC$754,480,075$37,699,450 â–¼-4.8%1,997,3000.4%PUTINTEL CORP$744,912,087$167,639,778 â–²29.0%5,334,9000.4%PUTSPDR GOLD TR$739,928,068$671,298,874 â–¼-47.6%2,008,6000.4%PUTINTEL CORP$724,023,439$239,144,301 â–¼-24.8%5,185,3000.4%CALLBROADCOM INC$695,475,525$61,044,400 â–²9.6%1,841,1000.4%CALLTAIWAN SEMICONDUCTOR MANUFAC$630,392,400$74,023,350 â–¼-10.5%1,320,0000.4%PUTSANDISK CORP$588,213,951$8,640,174 â–¼-1.4%258,7000.3%CALLISHARES SILVER TR$583,683,867$485,186,780 â–¼-45.4%10,916,1000.3%CALLPALANTIR TECHNOLOGIES INC$547,415,640$18,573,864 â–¼-3.3%4,692,0000.3%PUTNETFLIX INC.$530,180,700$863,940 â–²0.2%7,425,5000.3%CALLUNITEDHEALTH GROUP INC$508,357,053$289,236,917 â–¼-36.3%1,223,1000.3%CALLNETFLIX INC.$474,281,640$66,130,680 â–¼-12.2%6,642,6000.3%PUTPALANTIR TECHNOLOGIES INC$423,383,763$41,604,522 â–¼-8.9%3,628,9000.2%CALLISHARES BITCOIN TRUST ETF$414,830,019$23,256,394 â–¼-5.3%12,461,1000.2%CALLUNITEDHEALTH GROUP INC$405,738,006$76,642,172 â–¼-15.9%976,2000.2%PUTSPACE EXPLORATION TECHN CORP$401,281,796$401,281,796 â–²New Holding2,348,6000.2%CALLMARVELL TECHNOLOGY INC$395,091,507$98,959,058 â–²33.4%1,326,3000.2%PUTORACLE CORP$383,829,105$2,081,010 â–²0.5%2,619,1000.2%PUTDIREXION SHARES ETF TRUST$383,173,698$216,370,991 â–¼-36.1%1,621,8000.2%PUTISHARES BITCOIN TRUST ETF$382,655,234$52,075,547 â–²15.8%11,494,6000.2%PUTORACLE CORP$354,094,110$3,458,580 â–²1.0%2,416,2000.2%CALLNEBIUS GROUP N.V.$339,633,866$150,485,033 â–²79.6%1,229,8000.2%PUTSPACE EXPLORATION TECHN CORP$322,942,486$322,942,486 â–²New Holding1,890,1000.2%PUTSPDR SERIES TRUST$315,383,538$6,927,432 â–²2.2%3,232,4000.2%PUTISHARES SILVER TR$309,462,972$253,907,642 â–¼-45.1%5,787,6000.2%PUTNVDANVIDIA$304,275,262$2,308,839 â–²0.8%1,520,6920.2%TechnologyISHARES INC$302,010,465$72,818,325 â–¼-19.4%5,313,3000.2%CALLARM HOLDINGS PLC$291,669,282$15,317,424 â–²5.5%822,6000.2%PUTSTRATEGY INC$281,675,361$78,935,445 â–¼-21.9%3,243,7000.2%PUTTAIWAN SEMICONDUCTOR MANUFAC$280,476,861$80,088,489 â–¼-22.2%587,3000.2%CALLISHARES INC$277,551,702$117,241,485 â–¼-29.7%2,630,6000.2%PUTCROWDSTRIKE HLDGS INC$254,888,760$44,796,318 â–¼-14.9%334,0000.1%CALLSTATE STR SPDR DOW JONES IND$245,732,256$68,380,851 â–²38.6%470,4000.1%PUTGOLDMAN SACHS GROUP INC$243,639,033$30,442,237 â–¼-11.1%240,9000.1%CALLMARVELL TECHNOLOGY INC$235,630,990$3,068,267 â–¼-1.3%791,0000.1%CALLCISCO SYS INC$234,614,604$89,081,664 â–²61.2%1,997,4000.1%PUTUNITED STS OIL FD LP$234,082,848$114,955,200 â–¼-32.9%2,199,2000.1%PUTAPPLIED MATLS INC$226,443,600$51,333,000 â–²29.3%313,2000.1%PUTSPDR SERIES TRUST$226,266,811$9,609,543 â–¼-4.1%1,789,5000.1%CALLGOLDMAN SACHS GROUP INC$223,816,181$16,485,331 â–¼-6.9%221,3000.1%PUTROBINHOOD MKTS INC$214,017,576$47,994,008 â–²28.9%2,134,2000.1%CALLALIBABA GROUP HLDG LTD$212,374,946$19,771,880 â–¼-8.5%2,212,7000.1%CALLJPMORGAN CHASE & CO$211,062,384$35,155,242 â–¼-14.3%644,8000.1%PUTASML HLDG NV$210,681,696$147,815,392 â–¼-41.2%105,9000.1%PUTBLOOM ENERGY CORP$206,320,320$3,269,160 â–¼-1.6%681,6000.1%PUTAPPLIED MATLS INC$205,548,900$18,219,600 â–²9.7%284,3000.1%CALLKRANESHARES TRUST$202,772,255$35,636,928 â–¼-14.9%8,252,7000.1%CALLALIBABA GROUP HLDG LTD$202,748,152$52,289,904 â–¼-20.5%2,112,4000.1%PUTUNITED STS OIL FD LP$199,489,848$15,657,324 â–¼-7.3%1,874,2000.1%CALLCARVANA CO$196,663,578$162,950,574 â–²483.3%2,987,9000.1%CALLDELL TECHNOLOGIES INC$191,438,802$45,389,592 â–¼-19.2%443,7000.1%PUTISHARES TR$190,996,513$326,345,023 â–¼-63.1%2,334,6000.1%PUTLAM RESEARCH CORP$190,145,204$8,146,604 â–²4.5%438,8000.1%CALLPROSHARES TR$188,227,894$18,986,905 â–¼-9.2%2,236,5000.1%CALLLUMENTUM HLDGS INC$188,086,752$67,100,292 â–²55.5%219,2000.1%PUTCITIGROUP INC$186,048,828$37,789,200 â–¼-16.9%1,329,3000.1%CALLCITIGROUP INC$181,654,084$56,487,856 â–¼-23.7%1,297,9000.1%PUTSEAGATE TECHNOLOGY HLDNGS PL$180,937,500$46,223,500 â–²34.3%187,5000.1%PUTARM HOLDINGS PLC$177,214,086$25,032,642 â–¼-12.4%499,8000.1%CALLPROSHARES TR$173,544,729$33,744,808 â–²24.1%2,098,8000.1%PUTCOINBASE GLOBAL INC$171,173,871$25,495,536 â–²17.5%1,170,9000.1%PUTCISCO SYS INC$163,786,224$5,861,254 â–¼-3.5%1,394,4000.1%CALLDIREXION SHARES ETF TRUST$163,396,877$199,788,907 â–¼-55.0%734,1000.1%CALLCATERPILLAR INC$162,823,210$50,582,750 â–²45.1%152,9000.1%PUTIWMiShares Russell 2000 ETF$161,284,564$156,408,561 â–²3,207.7%536,8100.1%ETFTLTiShares 20+ Year Treasury Bond ETF$160,827,360$108,282,963 â–²206.1%1,860,9970.1%ETFWESTERN DIGITAL CORP$160,067,149$9,276,548 â–¼-5.5%257,1000.1%PUTEXXON MOBIL CORP$158,636,216$58,406,784 â–¼-26.9%1,160,3000.1%CALLROBINHOOD MKTS INC$158,412,316$661,848 â–¼-0.4%1,579,7000.1%PUTShowing largest 100 holdings. 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